MKS Instruments IncGrowing demand for wafer fab equipment and chemistry solutions for AI-related applications drove better sales and profits.

MKS Inc. shares advanced on better sales and profits for the fourth quarter as the semiconductor capital equipment industry sees improved orders, according to Madison Mid Cap Fund's first-quarter 2026 investor letter. The fund highlighted MKS as a top contributor, noting the company is benefiting from growing demand for wafer fab equipment and chemistry solutions for AI-related applications. MKS reported revenue of $1.08 billion in the first quarter of 2026, up 4% sequentially and 15% year-over-year. The fund trimmed its position in MKS, citing sharp appreciation that brought the stock to higher valuations, though it remains confident in the investment.
MKS Instruments IncGrowing demand for wafer fab equipment and chemistry solutions for AI-related applications drove better sales and profits.